Patents for May
Patents as compiled by the editors of Rubber World for May 2023 Fluid infused elastomersU.S. patent: 11,584,841Issued: February 21, 2023Inventors:
Read MorePatents as compiled by the editors of Rubber World for May 2023 Fluid infused elastomersU.S. patent: 11,584,841Issued: February 21, 2023Inventors:
Read MoreHigh dyne EPDM compounds offer an exceptional high surface energy level with a minimum of 58 dynes/cm, which is higher than all known rubbers, and at least twice as high as that of a typical EPDM compound.
Read MoreEPDM has not been immune to significant price increases, material shortages and allocations. As extrusion expenses are dominated by material cost and throughput, price and efficiency are of the essence. One of the most common ways to improve cost efficiencies in extrusion compounds is to lower material cost by extending the polymer as much as possible using high amounts of filler, for which EPDM is perfectly suited. The other option to decrease costs is to run more product in the same amount of time, requiring a material with higher extrusion rates.
Read Moreby Pete Spanos, Raffaele Bernardo and Montse Alvarez Grima, Arlanxeo As the number one non-tire rubber by volume, ethylene propylene
Read Morecomponents. In the medical technology, automotive and food industries, silicone rubbers are often used as media carrying components in the form of hoses or profiles. All applications have in common that high demands are placed on the material, as well as on the geometric dimensions, and thus on the manufacturing process.
Read MoreThe potential of Superior Graphite (RGC39A graphite) in a model lip seal formulation was evaluated for abrasion resistance for a wide range of loads. The abrasion testing was based on the ASTM D3702 test method for wear rate and coefficient of friction (COF) of materials in self-lubricated rubbing contact using a thrust washer testing machine. The role of graphite type on key properties was determined. The evaluations included tensile properties, hardness, Phillips dispersion, abrasion resistance and coefficient of friction. The abrasion and COF test varied the counter surface conditions (dry, wet and oily) and the load (pressure) from 30 to 625 psi.
Read MorePatents as compiled by the editors of Rubber World for May 2022
Read MorePatents listed in the May issue of Rubber World Magazine
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